Lennox
From Lennox's careers page
Status: listed on the employer's own careers page when we last checked (daily). Confirm on their site before applying.
At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services.
Company Profile
Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us.
Design and develop refrigeration systems, components, and assemblies for HVAC&R products.
Perform refrigeration cycle calculations, load analysis, and system performance evaluations.
Select and size compressors, heat exchangers, expansion devices, refrigerants, and other system components.
Create and modify 3D models, engineering drawings, and BOMs using CAD tools.
Conduct design validation through simulations, testing, and prototype evaluations.
Analyze system performance, energy efficiency, reliability, and compliance with applicable standards.
Collaborate with global engineering teams, manufacturing, sourcing, and quality functions during product development.
Support product design reviews, root cause analysis, and continuous improvement initiatives.
Ensure compliance with industry standards such as ASHRAE, AHRI, UL, ISO, and environmental regulations.
Participate in new product development, value engineering, and cost reduction projects.
Required Qualifications
Bachelor's or Master's Degree in Mechanical Engineering, Refrigeration & Air Conditioning, Thermal Engineering, or related field.
3+ years of experience in refrigeration system design, HVAC, or thermal product development.
Refrigeration Cycles
Thermodynamics
Heat Transfer
Fluid Mechanics
Psychrometrics
Experience in refrigeration component selection and system optimization.
Knowledge of refrigerants, compressors, evaporators, condensers, and expansion devices.
Ability to perform engineering calculations and design documentation.
CAD Tools: Creo, SolidWorks, CATIA, NX, or AutoCAD.
Simulation Tools: Coil Designer, HTRI, ANSYS, MATLAB, or similar engineering tools.
Knowledge of DOE, DFMEA, GD&T, and Design Validation processes.
Experience working on HVAC, Commercial Refrigeration, Heat Pumps, Rooftop Units, Chillers, or Industrial Cooling Products.
Understanding of energy efficiency standards and sustainability initiatives.
Desired Competencies
Strong analytical and problem-solving skills.
Excellent communication and stakeholder management.
Ability to work in a global cross-functional environment.
Continuous improvement mindset and customer-focused approach.
Ability to manage multiple projects and meet deadlines.
Requires a high school diploma or an equivalent combination of education and experience. Requires at least 2 years related experience.Strong oral and written communications skills. Knowledge of CAD software techniques and tools. Knowledge of design tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.
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